3M General Offices 3M Center St.

AR226-2979 u Font HLR 584-92 STATIC, ACVWWWmVNO iNil9,518 TO FATHEAD MIMNOW8.

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AR226-3056 Study Title Approximate Lethal Dose (ALD) ofH-21987 in Rats Laboratory Project ID Haskell Laboratory Report No. 783-96 Author Tracy A.

M ICROBICS M ICROTOXO TOXICITY TEST TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium saft;may alsobe referredto as PFOA ammonium saltA,mmonium perfluorooctanoateP,FO, FC-1 16, FC-1 26, FC-1 69, FC-1 43 oras the major component of FC-1 18.

CASE REPORT p. 1 ~70 9 Acute Pulmonary Toxicity Linked to Use of a Leather Protecto r s From the Centre Anti-Poison du trlaFtu tatie.n:,, MD, FRCP(C) Leather protectors are used extensively for waterproofing leather Quekc' S'"&-Foy, Q"&", Ca"d .

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{AR 226-0538 MICROTOX TOXICITY TEST TEST SUBSTANCE Identity: Perfluorooctylsulfonate, didecyldimethylammonium salt; may also be referred to as Fluoroalkyl ammonium derivative. [1D1,e1c,a2m,i2n,3i,u3m4,,4N,-5d,e5c,y6l,-6N,,7N,-7d,i8,m8e,t8h-yhle-p,tasadletcawfiltuhoro-1- octanesulfonic acid (1:1), CAS # 251099-16-8] Remarks: The 3M production lot number was Lot 1.

AR 2%6-054% Perfluorooctane Sulfonate: Current Summary of Human Sera, Health and Toxicology Data 3M January 21, 1999 ) 000014 Jaary 21,1999 TABLE OF CONTENTS EXECUTIVE SUMMARY cscs I.

AR R26 -- 088 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST IESTSUBSTANCE Identity: rMeifxetrurreedctoontaasinPiFnOgSp,erFfCl-u9o5r,ooocrtaansesauclfoomnpaotneewnhticohf mFCa-y30al0s3o.b(e1Octanesulfonic acid) (CAS # 2795-39-3).

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AR226-2952 FOR W POUT USE ONLY Du Pont HLR 101-91 Study Title Skin Irritation Test wIthllHHBin Rabbits Author John M.

AR226-3046 Study Title Skin Irritation Test with H-21953 in Rabbits Laboratory Project ID Haskell laboratory Report No. 790-96 Author Tracy A.

% AR226-3067 SPONSOR ElfAtochemS.A.

ACUTE TOXICITYTO AQUATIC INVERTEBRATES - Ceriodaphnidaubia TEST SUBSTANCE IdentityN:-Ethylperfluorooctanesulfomnaaymaildseo;be referrteodas U 1464, ETFOSA, ETPOSA, F-6309, orFX-1 2. (1Octanesulfonamide,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluo ro-N -ethyl-C,AS # 4151-50-2) Remarks: Materialisa white solid.Sample purityand lotnumber were not recorded.